Data Types and Variables -Java Programming MCQ Questions and Answers

class char_increment 
{
    public static void main(String args[]) 
    {
        char c1 = 'D';
        char c2 = 84;
        c2++;
        c1++;
        System.out.println(c1 + " "  + c2);
    } 
}

1. int w = (int)888.8;
2. byte x = (byte)100L;
3. long y = (byte)100;
4. byte z = (byte)100L;

class evaluate 
{
    public static void main(String args[]) 
    {
        int a[] = {1,2,3,4,5};
  int d[] = a;
  int sum = 0;
  for (int j = 0; j < 3; ++j)
            sum += (a[j] * d[j + 1]) + (a[j + 1] * d[j]);
  System.out.println(sum);
    } 
}

class area {
    public static void main(String args[]) 
    {    
         double r, pi, a;
         r = 9.8;
         pi = 3.14;
         a = pi * r * r;
         System.out.println(a);
    } 
}